Zinc Alloy Die Casting Defects

Za 27 zinc aluminum.

Zinc alloy die casting defects.

The defects are characterized by the appearance of protruding vesicles on the surface of die casting which are found after die casting exposed after polishing or processing and after oil injection or electroplating. If the die casting alloy is subjected to cooling after the completion of the die casting process then there is a good chance for this defect to happen. Open blows and blow holes. This is one of the most common defects that happens during zinc alloy die casting.

Defects in die castings. There are two main types of die casting machines hot chamber machines used for alloys with low melting temperatures such as zinc and cold chamber machines used for alloys with high melting temperatures such as aluminum. Ezac is a hot chamber zinc die casting alloy with superior creep resistance high yield strength and high hardness. It will help you to save time and money when you run a die casting project.

If you are business man or mechanical engineer its necessary to have a full knowledge on die casting defects which may occur in die casting manufacturing process. The metal typically a non ferrous alloy such as aluminum or zinc is melted in the furnace and then injected into the dies in the die casting machine. We ve just scratched the surface of die defects their causes and the impact on castings. A high level of technical expertise and attention to detail is required to prevent small errors from causing huge losses to the company in the mass production of new parts.

Walkington and published by nadca. This process is free to our die casting customers and more importantly allows for a quick and accurate analysis to avoid costly defective issues. The most common defect in zinc alloy die casting is surface foaming. There s a lot more to know and it pays to work with a company that s an expert in all aspects of die casting production and trouble shooting.

Za 27 or zinc aluminum alloy contains significantly more aluminum than the zamak group of alloys. Zinc alloy die casting is widely used for decorative purpose in various field such as furniture accessories building decoration bathroom accessories lighting parts toys tie clips belt buckles all kinds of metal buckles etc therefore for the surface of castings usually request in a high level and requires good surface. For a list of alloys and properties see our zinc die casting alloys page. Lots of problems will occur when you don t pay attention to it during production.

Analysis of blister defects in zinc alloy die castings. For more detail refer to. However seeking the help of an expert die casting company will enable you to stay away from these kinds of. Working with a pro to avoid die casting defects.

Zinc die casting defects manual published by cominco ltd finishing electroplating die cast wrought zinc published by ilzro. Die casting is a process that can produce geometrically complex metal parts. Here blow i would like to list the most common die casting defects.